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प्रश्न
Find the distance walked by a boy in `1 1/2` hours if he walks at 2.150 km every hour.
उत्तर
Distance covered in one hour = 2.150 km
∴ Distance covered in `1 1/2` hour or `3/2` hour
= `2.150xx3/2`
= 1.075 × 3
= 3.225 km
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